One winter day ____, he saw the tracks of animals in the snow and observed that the appearance of each one was different.
#95095
A
while he hunting
B
while hunting
C
while he hunt
D
while hunted
推荐题目
“ Have you decided when ________?” “ Yes, tomorrow morning.”
#98794
A
to leave
B
to be leaving
C
will you leave
D
are you leaving
----Can you think of another good idea? ----This is the best approach I can imagine ________ the work ahead of schedule.
#94864
A
to accomplish
B
to accomplishing
C
accomplishing
D
Accomplished
The young man, ___two attemps to climb the high mountain, decided to have another try this year.
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A
making
B
made
C
having made
D
has made
The singers _____ from the whole country are expected to bring us a wonderful performance this weekend.
#91173
A
selecting
B
selected
C
having been selected
D
to select